The allegations in any complaint laid in respect of any alleged offence or offences against this Act—

            (a)         that any person, firm, company, or partnership (as the case may be) named in the complaint is the owner, user, or occupier (as the case may be) of any place, room, or premises mentioned in the complaint:

            (b)         that any horse race, dog race, cycle race, or foot race, or coursing event (as the case may be) mentioned in the complaint was run at a place and on a date therein specified, and that any horse or horses, dog or dogs, or person or persons named in the complaint took part in any race or coursing event therein mentioned,

shall be accepted by the court as evidence of the truth of such allegations unless the contrary is proved.